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Andru [333]
4 years ago
14

Given cos B = 11/18 find angle B in degrees. Round your answer to the nearest hundredth.

Mathematics
2 answers:
Anastaziya [24]4 years ago
5 0
B = cos^{-1}(\frac{11}{18}) \approx 52.33^\circ
Elden [556K]4 years ago
3 0

Answer:

B\approx 52.33^{\circ}

Step-by-step explanation:

We have been given that \text{cos}(B)=\frac{11}{18}. We are asked to find the measure of angle B.

We will use inverse cosine or arccos to solve for the measure of angle B as:

B=\text{cos}^{-1}(\frac{11}{18})

B=52.33011303567^{\circ}

Upon rounding our answer to nearest hundredth, we will get:

B\approx 52.33^{\circ}

Therefore, the measure of angle B is 52.33 degrees.

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I need help with this .
vaieri [72.5K]
I would be glad to help you! I will solve through 3 to get you started.

This is a very important concept, so it would be helpful if you learn it on your own.

C= 2* pi* r

1. The radius is 5 cm. 5 cm represents r in the equation.
C= 2* 3.14 (or pi)* 5 
Multiply it by using a calculator. 
My answer was 31.4.

Let's try the second one.
2. The diameter is 9. Have of the diameter is the radius. 
9/2= 4.5 
Plug it into the equation.
C= 2*3.14*4.5
I got 28.26

One more. 
Plug it into the equation.
C= 2*3.14*5.6
35.17 was my answer.

Make sure to add the end signs to you answer, ft, cm, meter, etc.

Let me know if you need more help.

Brainliest answer is always appreciated.
7 0
3 years ago
Rewrite each expression without using absolute value notation |7m-56| if m<8
dusya [7]

Considering the definition of the absolute value function, the expression is written as -7m + 56.

<h3>What is the definition of the absolute value function?</h3>

The absolute value function is defined as follows:

  • |x| = x, x \geq 0.
  • |x| = -x, x < 0

That is, where the expression is negative, it is multiplied by -1, while where it is not negative the expression is kept.

In this problem, the expression is:

|7m - 56|

For m < 8, we have that one example is m = 0:

7(0) - 56 = -56.

The expression is negative, hence the signal is changed, that is:

|7m - 56| = -(7m - 56) = -7m + 56.

More can be learned about the absolute value function at brainly.com/question/24734454

#SPJ1

7 0
2 years ago
PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS
bixtya [17]

Answer:

30%

Step-by-step explanation:

the first solution -30% will be 45% and the second solution added by 30% will be 45%

4 0
2 years ago
Read 2 more answers
Why can you multiply or divide both terms of a ratio by the same number without changing the value of the ratio
o-na [289]
The ratio is rational and by multiplying or dividing the numbers included in the ratio by the same number, it's just like taking a fraction and taking it out of simplest form, it doesn't change the value of the ratio or the fraction in simplest form, it just changes the numbers

6 0
4 years ago
Simplify the expression 8(2x - 6y + 3) using the distributive property. *
yawa3891 [41]

Answer:

16x - 48y +24

Step-by-step explanation:

We can use the distributive property to expand:

  1. 8(2x - 6y + 3)
  2. 8 x 2x - 8 x 6y + 8 x 3
  3. 16x - 48y + 24

Hope this helps!!

7 0
3 years ago
Read 2 more answers
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